Vulnerability-Lookup

OPENSUSE-SU-2022:2649-1

Vulnerability from csaf_opensuse - Published: 2022-08-03 13:06 - Updated: 2022-08-03 13:06

Summary

Security update for pcre2

Severity

Important

Notes

Title of the patch: Security update for pcre2

Description of the patch: This update for pcre2 fixes the following issues: - CVE-2019-20454: Fixed out-of-bounds read in JIT mode when \X is used in non-UTF mode (bsc#1164384). - CVE-2022-1587: Fixed out-of-bounds read due to bug in recursions (bsc#1199235).

Patchnames: openSUSE-Leap-Micro-5.2-2022-2649

CVE-2019-20454

6.8 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

Recommended 2 products

Product	Identifier	Version	Remediation
Unresolved product id: openSUSE Leap Micro 5.2:libpcre2-8-0-10.31-150000.3.12.1.aarch64		—	Vendor Fix
Unresolved product id: openSUSE Leap Micro 5.2:libpcre2-8-0-10.31-150000.3.12.1.x86_64		—	Vendor Fix

Threats

Impact moderate

CVE-2022-1587

8.6 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected products

Recommended 2 products, the same list as for CVE-2019-20454

Threats

Impact important

References

15 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1164384	self
https://bugzilla.suse.com/1199235	self
https://www.suse.com/security/cve/CVE-2019-20454/	self
https://www.suse.com/security/cve/CVE-2022-1587/	self
https://www.suse.com/security/cve/CVE-2019-20454	external
https://bugzilla.suse.com/1164384	external
https://bugzilla.suse.com/1172973	external
https://www.suse.com/security/cve/CVE-2022-1587	external
https://bugzilla.suse.com/1199235	external
https://bugzilla.suse.com/1201754	external
https://bugzilla.suse.com/1203032	external

JSON

To clipboard

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CVE-2019-20454 (GCVE-0-2019-20454)

Vulnerability from cvelistv5 – Published: 2020-02-14 00:00 – Updated: 2024-08-05 02:39

Summary

An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.

Severity

5.1 (Medium)


                        
                          CVSS:3.0/AC:H/AV:L/A:H/C:N/I:N/PR:N/S:U/UI:N

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://bugs.exim.org/show_bug.cgi?id=2421
https://bugs.php.net/bug.php?id=78338
https://vcs.pcre.org/pcre2?view=revision&revision=1092
https://bugzilla.redhat.com/show_bug.cgi?id=1735494
https://security.gentoo.org/glsa/202006-16	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

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CVE-2022-1587 (GCVE-0-2022-1587)

Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10

Summary

An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.

Severity

No CVSS data available.

CWE

CWE-125 - - Out-of-bounds Read

Assigner

redhat redhat root

References

8 references

URL	Tags
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2077983%2C
https://github.com/PCRE2Project/pcre2/commit/0365…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.netapp.com/advisory/ntap-2022102…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	pcre2	Affected: Fixed in pcre2-10.40.

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0"
          },
          {
            "name": "FEDORA-2022-a3edad0ab6",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/"
          },
          {
            "name": "FEDORA-2022-19f4c34184",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/"
          },
          {
            "name": "FEDORA-2022-9c9691d058",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20221028-0009/"
          },
          {
            "name": "[debian-lts-announce] 20230316 [SECURITY] [DLA 3363-1] pcre2 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pcre2",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in pcre2-10.40."
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 - Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-16T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "FEDORA-2022-e56085ba31",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/"
        },
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2077983%2C"
        },
        {
          "url": "https://github.com/PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0"
        },
        {
          "name": "FEDORA-2022-a3edad0ab6",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/"
        },
        {
          "name": "FEDORA-2022-19f4c34184",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/"
        },
        {
          "name": "FEDORA-2022-9c9691d058",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20221028-0009/"
        },
        {
          "name": "[debian-lts-announce] 20230316 [SECURITY] [DLA 3363-1] pcre2 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2022-1587",
    "datePublished": "2022-05-16T00:00:00.000Z",
    "dateReserved": "2022-05-05T00:00:00.000Z",
    "dateUpdated": "2024-08-03T00:10:03.682Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2022:2649-1

CVE-2019-20454 (GCVE-0-2019-20454)

CVE-2022-1587 (GCVE-0-2022-1587)

Tags

Sightings

Nomenclature

Related by attack behaviour